Atlona AT-UHD-EX-100CE-TX 4k HDBaseT Transmitter

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  • Atlona AT-UHD-EX-100CE-TX 4k HDBaseT Transmitter (AT-UHD-EX-100CE-TX)
  • Atlona AT-UHD-EX-100CE-TX 4k HDBaseT Transmitter (AT-UHD-EX-100CE-TX)
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Atlona AT-UHD-EX-100CE-TX 4K/UHD 100M HDBaseT Transmitter with Ethernet and Control

The Atlona AT-UHD-EX-100CE-TX is an HDBaseT transmitter for HDMI transmission up to 328 feet (100 meters) over category cable with Ethernet pass through, plus RS-232 and IR control. Designed to work with HDBaseT inputs on switchers and projectors, this extender transmits video signals up to 4K/UHD @ 60Hz with embedded multi-channel audio. Additionally, the transmitter extends Ethernet, RS-232, and 12 volt-based IR control commands. The AT-UHD-EX-100CE-TX is HDCP 2.2 compliant and supports EDID communication. The transmitter features a quarter rack width metal enclosure for easy rack mounting with rear panel I/O ports for uncluttered wire management. This PSE (Power Sourcing Equipment) device is externally powered, includes a desktop power supply and provides Power over Ethernet for compatible receiving devices. The AT-UHD-EX-100CE-TX is certified by the HDBaseT Alliance.

This HDBaseT Class A transmitter is designed to support the growing number of displays and video projectors in the commercial market with HDBaseT inputs. The AT-UHD-EX-100CE-TX provides extended distance, transmission of uncompressed, 4K/UHD HDMI signals from switchers and matrixes. Other applications include remote input signal transmission for the AT-UHD-CLSO-824 matrix switcher. Built-in Ethernet and bi-directional control signal extension eliminates the need for additional cabling from switcher to the display or remote input device. Installer-friendly features include: a rack-mountable form factor that allows four transmitters to share a single, 1U rack tray; power chaining to allow multiple sets to be powered from one power supply; and a front mounted USB port for easy firmware updates.

The AT-UHD-EX-100CE-TX is ideal for use in commercial point to point applications that require extended distance HDMI signal transmission to HDBaseT-equipped displays. The transmitter can be used with any 4K/UHD switcher, matrix switcher, or distribution amplifier. Multiple points of of control allow the transmitter to work with a variety of third-party control systems to cost-effectively extend control signals within a system.


  • 4K/UHD capability @ 60 Hz with 4:2:0 chroma subsampling
  • HDCP 2.2 compliant
  • Supports 4K HDR10 @ 24 Hz (4:2:0 chroma subsampling, 10-bit color)
  • HDBaseTTM transmitter for HDMI®, Ethernet, power, and control up to 330 feet (100 meters)
  • Local AC powering - PoE (Power over Ethernet) source
  • Transmits RS-232, IR, CEC, and Ethernet control signals over HDBaseT
  • Multi-channel audio compliant for all PCM, Dolby®, and DTS® formats



  • Resolution
  • Video: 4096x2160@24/25/30/50*/60Hz*, 3840x2160@24/25/30/50*/60Hz*, 2048x1080p, 1080p@23.98/24/25/29.97/30/50/59.94/60Hz, 1080i@50/59.94/60Hz, 720p@50/59.94/60Hz, 576p, 576i, 480p, 480i
  • VESA: 2560x2048, 2560x1600, 2048x1536, 1920x1200, 1680x1050, 1600x1200, 1600x900, 1440x900, 1400x1050, 1366x768, 1360x768, 1280x1024, 1280x800 1280x768, 1152x768, 1024x768, 800x600, 640x480
  • Colorspace: YCbCr, RGB
  • Chroma Subsampling: 4:4:4, 4:2:2, 4:2:0
  • Color Depth: 8-bit, 10-bit, 12-bit
  • HDR: 4K HDR10 @ 24Hz, 4:2:0 chroma subsampling, 10-bit color (Source signal delivered from Ultra HD Blu-ray as 4K @ 24Hz 4:2:2. Not compatible with HDR10 @ 60Hz.)
    * 4096x2160@50/60Hz & 3840x2160@50/60Hz supported @ chroma subsampling 4:2:0 8-bit only

  • Formats: PCM 2Ch, LPCM 5.1, LPCM 7.1, Dolby Digital, DTS 5.1, Dolby Digital+, Dolby TrueHD, DTS-HD Master Audio, Dolby Atmos, DTS:X
  • Sample Rate: 32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz
  • Bit Rate: Up to 24-bit

  • CAT5e/6 @ 4K: Up to 70 meters (230 feet)
  • CAT6a/7 @ 4K: Up to 100 meters (328 feet)
  • CAT5e/6 @ 1080p: Up to 100 meters (328 feet)
  • HDMI IN/OUT @ 4K: Up to 5 meters (15 feet)
  • HDMI IN/OUT @ 1080p: Up to 10 meters (30 feet)

  • Bandwidth: 10.2 Gbps
  • CEC: Pass through
  • HDCP: Supports up to 2.2

  • Firmware: Mini-B USB
  • HDBaseT: RJ45 (8P8C)
  • HDMI: Type A
  • LAN: RJ45 (8P8C), Ethernet pass through
  • TX-IR: 4-pin captive screw
  • RS-232: 3-pin captive screw
  • Power: 2-pin, 48V captive screw

  • Operating: 32°F to 122°F (0°C to 50°C)
  • Storage: -4°F to 140°F (-20°C to 60°C)
  • Humidity: 20 to 90% non-condensing

  • Consumption: 12W (when paired with RX)
  • Supply: Input: AC100~240V 50/60Hz
  • Output: DC 48V/0.83A

  • H x W x D: 25 x 109 x 89 (mm): 0.98 x 4.29 x 3.50 (inch)
  • H x W x D w/ears: 27 x 119 x 89 (mm): 1.06 x 4.69 x 3.50 (inch)

  • Unit: 0.86lbs (0.39kg)

  • Power Supply: CE, FCC, RoHS, cULus, RCM, CCC
  • Product: CE, FCC



  • 10 Years

The Atlona AT-UHD-EX-100CE-TX is a powerful and versatile HDBaseT transmitter designed to meet the needs of commercial applications requiring extended distance HDMI signal transmission. With its ability to transmit uncompressed, 4K/UHD HDMI signals up to 328 feet (100 meters), this transmitter is perfect for use with HDBaseT-equipped displays.

Featuring a sleek quarter rack width metal enclosure, the AT-UHD-EX-100CE-TX is designed for easy rack mounting, allowing four transmitters to share a single, 1U rack tray. The rear panel I/O ports ensure uncluttered wire management, making installation a breeze. With the included desktop power supply, this PSE (Power Sourcing Equipment) device provides Power over Ethernet for compatible receiving devices.

The AT-UHD-EX-100CE-TX is HDCP 2.2 compliant and supports EDID communication, ensuring compatibility with a wide range of devices. It also supports 4K/UHD video signals at 60Hz with embedded multi-channel audio, providing an immersive viewing experience. This transmitter extends Ethernet, RS-232, and 12 volt-based IR control commands, eliminating the need for additional cabling.

Installer-friendly features make the AT-UHD-EX-100CE-TX a top choice for professionals. Power chaining allows multiple sets to be powered from a single power supply, reducing clutter and simplifying installation. The front mounted USB port enables easy firmware updates, ensuring the device is always up to date.

With its versatility and ease of installation, the AT-UHD-EX-100CE-TX is ideal for a variety of applications. It can be used with any 4K/UHD switcher, matrix switcher, or distribution amplifier, allowing for seamless integration into existing systems. Multiple points of control make it compatible with a range of third-party control systems, offering flexibility and cost-effectiveness.

Backed by a 10-year warranty, the Atlona AT-UHD-EX-100CE-TX is a reliable and durable HDBaseT transmitter that delivers exceptional performance. Whether you need to transmit HDMI signals over long distances or extend control signals within a system, this transmitter is the perfect solution.
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